//在项目中创建Compound,在主方法中定义复合语句块，其中包含另一语句块

public class Compand{
    public static void main(String[] args) {
        int x = 20;
        {
             int y = 40;
             System.out.println(y);
             int z = 245;
             boolean b;
        {
            b=y>z;
            System.out.println(b);
        }
        }
        String word="hello,word!";
        System.out.println(word);

    }
}
